Ionia Weather Forecast
- 42
- 48
Rain
- 39
- 46
Rain Showers
- 34
- 48
Slight Chance Rain Showers
- 38
- 50
Partly Sunny
- 41
- 55
Chance Rain Showers
- 37
- 52
Slight Chance Rain Showers
Today 30 Oct Ontario
Rain. Rain may be heavy at Times through early afternoon. Highs Ranging from the mid 40s on the Hilltops to the upper 40s across the lower Elevations. Northeast Winds 10 to 15 Mph. Chance of rain near 100 percent.
Tonight 30 Oct Ontario
Showers. Lows in the lower 40s. Northeast Winds 10 to 15 Mph, becoming northwest. Chance of rain 90 percent.
Ionia Temperature Statistics
October Temperature
Rochester, Greater Rochester International Airport (15.5 miles)
Lowest 28 October, 2025
28 °FAverage October
53.1 °FHighest 5 October, 2025
86 °F
Climate (2020–Present)
Rochester, Greater Rochester International Airport (15.5 miles)
Average Low 2020–2025
42.6 °FAverage 2020–2025
51 °FAverage High 2020–2025
59.7 °F